package com.itheima.d1_junit;

public class StringUtil {
    public static void printNumber(String name){
        if(name ==null){
            System.out.println(0);
            return;
        }
        System.out.println("名字长度为："+name.length());
    }
    public static int getMaxIndex(String data){
        if(data ==null){
            return -1;
        }
        return data.length()-1;
    }
}
